Apparatus and process for treating oxydic compounds



Patented Nov. 3, 1931 v Y y 1 i UNITED sTA'iEsg PATENT ,OFFICE 'd HENRI GASPAR Josnrii HBERT autresiiirj.;onv lRoERivioND; NTHERLA-Nns AVPPARATUS'AND PROCESS FOR TRE'IING OXYDIC COMPOUNDS `Y Application filed Januaryl, 1929, Seria No. 334,139, and in the Netherlands January 24, 1,928.

In treating oxides and salts With carbon The annexed drawings illustrate a reaction and chlorine as in the manufacture of metaly tube made in accordance with the present iii- Y chlorides it is very difficult to find a ina-` vention. l y terial offering suficient resistance to the com- Fig, 1 Show; im elevation 0f the entire 5 Dllled iLClOD Of SillCl. SLlbS-IlCS at the hlgll apparatus and 2 Shows a Sectlon 0f a 50 temperatures employed; The materials orportion theregf, dlnay Sed Such as Pol'celan and TefmC' The oas which is to be used in the reaction tory earthenware contaminate the reactiony can entzl# A and the vapors can be drawn products as they are mostly silicates and ai'e Off at 54B to a, Suitable Condenser. Bet-,Ween io soon used up by corrosion; other refractory the perforated refractory plates C and D 5, materials 00 Such as ahmdum mgnesa and* the charge of material to be'treated is placed.. qumtf d0' not Offer Sufficient fesstimcerlhe tube is heated bysuita-ble gas burners Cast HOP and s leflal Smets appeal'Y t0 Soon as illustrated. lIn this example the tube isv 10S@ lhGll msslvty agamst: fol' @Xamplea shown as being` made of iron lined with a ,ChlIOlllHef 1 th t th b d layer of'calciuin fluoride. 60

lave now o-unc a e a ove raW- yo. backs can. be Wholly overcome if for said Sugblf Qttiieltubefcmiolbe madet (if al c `na Vila pre era y a me a, pio tmament of. Omds and especmuy at the vided with a lining of either calcium fluoride Combulei Muon orcarbon and halogens itt or silver chloride as'shoWn and tlielinimT 2o a varying temperature, the apparatuses ordimay extend beyond the plage Dn and ma?, 65 Damy used and Whlh. for example are made be continued into the condenser itself if deof iron, steel, aluminium or nickel, are pro- Shed, as for axample when the products of @ded 71th. a laye?, of Calclum'uomde or the reaction Would corrode or otherwise in silver-chloride, or if Vthese apparatuses arey jure the metal tube .3 partially manufactured from such What I Claim is y 70 The thickness of the layer is chosen in connection with the violence of the reaction to be carried out in the apparatus and may vary from 0.1 to 2 iliillirkpetresl f h h Eam Ze.- tu ema ero iron,W ic ,in e y ad ifanceohas fully been cleaned, is covered unaffected 'by Suc m emmenit' With a plastic mass made of calcium fluoride 2' APTOCGSS Whlh CQmPHSeS Carrymg O ut and Water, to which, if desired, a trace of @he muori 0f Chlorme 0n l ml-Xtm'e`c01-nprls clay is added. The thickness varies accordmg 19ml cpmpound Wlth Carbon, 1n aP-f 3Q ing to the reaction to take place and may paratus of Which the faces iii contactwith the be from 0.1 to 2 millimetres. The layer is macho mass, are Composed 0f an lnsoluble then dried very carefully and the tube after metal hahde' A it has been heated to 600o C. for 2 or 3 hours, 3- A pIOCeSS Whlhfcomprlscs Carrying o ut 40 is ready for uw the action of chlorine on a mixture compris'- 85 f Calcium phosphate mixed with carbon is 111g a metal Compound with Carbon, 11i appasubjected to the action of chlorine gas, in MUIS 0f WhlCll the faCeS 111 Contact W1th-the thisV apparatus, at about 500 C. It was rectwn IMSS, are Composed of calcium found that the tube, after several hours use, UOIlde.

1. A process for treating compounds of the character specified With carbon and a halogen including` the feature that the treatment is carried out in an apparatus Which is provided With a layer of an insoluble halide, Which is -.15 Was not injured. Y n 4. An apparatus for treating .compounds 99 of the character specified with carbon and a halogen in which apparatus the faces of the apparatus in Contact with the reacting mass are composed essentially of an insoluble metal halide.

5. An apparatus for treating compounds of the character specified with carbon and a halogen, such apparatus being provided with a layer of an insoluble halide.

6. An apparatus for treating compounds of the character specified With carbon and a halogen', in Which apparatus the faces of the apparatus in contact with the reacting mass are composed essentially of calcium fluoride.

In testimony Whereofl affix my signature. 

